6776263349 has 2 divisors, whose sum is σ = 6776263350. Its totient is φ = 6776263348.

The previous prime is 6776263327. The next prime is 6776263357. The reversal of 6776263349 is 9433626776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6349221124 + 427042225 = 79682^2 + 20665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6776263349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6776263349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6776263049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388131674 + 3388131675.

It is an arithmetic number, because the mean of its divisors is an integer number (3388131675).

Almost surely, 2^6776263349 is an apocalyptic number.

It is an amenable number.

6776263349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6776263349 is an equidigital number, since it uses as much as digits as its factorization.

6776263349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 53.

The square root of 6776263349 is about 82318.0621066847. The cubic root of 6776263349 is about 1892.3294950530.

The spelling of 6776263349 in words is "six billion, seven hundred seventy-six million, two hundred sixty-three thousand, three hundred forty-nine".